http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 한엄용 (검색결과 6 건)
- 무료
- 기관 내 무료
- 유료
-
-
김대곤,이기용,이강연,한엄용,백형래 조선대학교 에너지.자원신기술연구소 1998 에너지·자원신기술연구소 논문지 Vol.20 No.1
A conventional UPS can supply the clean power to the load However, it may generate input current harmonics and the input power factor can be very poor Therefore, the UPS itself may be a power interruption This paper provides multifunctional converter of using single phase UPS The proposed UPS can supply the clean power to the load without polluting the mains power system The multi-functional converter provides battery charging, var compensation and harmonic suppression simultaneously It was simulated to verify this work.
-
백형래,박수강,최연옥,한엄용,이성길 조선대학교 에너지.자원신기술연구소 1999 에너지·자원신기술연구소 논문지 Vol.21 No.1
Single-Phase diode rectifiers are widely used in industry. These rectifier, however, generate many harmonic components in the AC Power line and have the poor input power factor, which may create a power quality problem for other electrical apparatus in the vicinity of the rectifier. Power factor improvement and harmonic reduction in the AC line current have become very significant problems in single-phase diode rectifiers. In this paper, the high power factor boost converter using soft switching is proposed to improve the demerit. The simulation results show the validity of the proposed system.
-
최연옥(Choi Youn-Ok),김평호(Kim Pyoung-Ho),한엄용(Han EUDm-Young),이진섭(Lee Jin-Seob),조금배(Cho Geum-Bae) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
A single-phase PWM current source rectifier with a neutral leg is presented and throughly analyzed m this paper. This novel topology is implemented by adding an extra leg a step-down single phase PWM space vector modulation method to reduce the dc output voltage harmonics is proposed. The PWM pattern generation need a digital system As compared with a conventional single-phase PWM rectifier, over 20% improvement of the total harmonics distortion in the output voltage can be obtained. Different SVM techniques are analyzed for this PWM rectifier and simulation result are presented.
-
MATLAB/SIMULINK를 이용한 전동기 가변속 구동시스템 모델링 및 시뮬레이션
정삼용(S.Y Jeong),최연옥(Y.O Choi),한엄용(U.Y Han),오금곤(G.K Oh),정수복(S.B Jung),조금배(G.B Cho) 전력전자학회 1997 전력전자학술대회 논문집 Vol.1997 No.-
The variable speed drive system of a elecric motor is popular in industry due to its economical aspect and simplicity of implementation, comaparing with a steam turbine or the other engine driven. For a large pumping load like a feedwater pump rated about or more than 20,000kW, a synchronous motor could be primarily considered .<br/> In this paper, we studied the modelling of a variable speed drive system consisted with a load commutated inverter(LCI) and a brushless sailent pole rotor synchronous motor(SM) using MATLAB/SIMULINK.<br/> Simulation was performed with a small SM motor parameters.
-
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
